Door-control system



July 26, 1927.

1,636,746 CULS. KLUMPP DOOR CONTROL SYSTEM Filed Jan. 1l. 1922 5Sheets-Sheet 1 INVENTOR.

BY @dwf-'LM A TTORNEX.

Z 1 July 6 927 c.s. KLUMPP DOOR CONTROL SYSTEM s sheets-sheet 3 Fi ledJan. ll. 1922 IN VEN TOR.

A TTORNE Y.

July 26,1927

C. S. KLUMPP DOOR CONTROL SYSTEM 3 Sheets-Sheet Filed Jan. 11. -1922Patented' `luly 26,. 1927. ,Y

oNrrEiov STATES? PATENT OFFICE.

CARL S. KLUMPP, OROKLYN, NEW YORK.

DOO-R-CONTBL SYSTEM.

application ma January 11, i922, 'semi no. 52s,47s.

This invention relates to 'a safety remote control andlocking. systemfor doors or gates,`. particnlarly -t-hose o n rapid transit.'electricvcars o notber` public utility vehicles, and'ha's forits'object: first, theprovision o'f a locking system controlled andoperated independently of the door operating and vcontr'ol systemwhereby closed 'are locked in that position and are the doors' .When 6with -the locking system to show the locked or unlocked condition ofthedoors;1second, the'provision of a simple and effective door lockingVdevice which automatically operates upon closure of the door to lockitf'in`its closed position and whichrnust positively lactuated before.it is possible to open thea To'jthis end,"lockingdevices are 'atlixed'adjacent'to one or more doors' and are pro- :videdithf'associate'devices for selective v' actuationthreotand for operating .the 'in I idica't'imfineanslf-l The indicating means" o'pf' eratedV-by' theseVdevices' -naly be located in af guards'g'positfip'n'and'at'such otherpositions onthecali.' train or lvehicle as'will best l .serve to"-indicate .tothose' in charge .of theA doors-the locked orvunlockedposition of any or--allcar do'rsf'' One' embodiment'of' the .lo:ki|igdevice which has been found to be particularly effective and whichis readily adapted for use in conjunction with the electro-pneumaticdoor opening an'd closing controlsnot'v in "general use comprises` apivoted latch or bolt or other member positively retained, which isadapted to lock and hold the door in its closed position until aretaining latch is released. Other'forms of the 'locking device may be'employed which may omit the retaining latch or have other modificationswhich are suitable for the place or position in which they are iised.The control system for tlielccking device operates the locking.,lrdevice' independently of the door opening;r and closing system and'requires the operator to manipulate the lock-v ing control before thedoor opening control or 'to manipiilate the combined control ac' gram.vIn. order thatthelocked or -unlocked condition of the doors may beindicated to the operator or others, a system.

of electric' vsi als may be employed which are controll vhy meansassociated lWith-the Alcks. In this'way, the-operator ormotor-jj man orboth are informed whether'for not" the door or doors are actually-lockedor 'unlocked rather than -merely closed'orv-open.

abi

In accordance with the invention; the

door operatingmechanism and the locking mechanism may b e eitherelectrically, mech'- "anically or pneumatically controlled or operatedby independent systems, or' one 'may be controlled vby one forml ofthese 'energies and operated -byfanotherfand vice versa or an otherindependentactuating means or combination of actuating Ameans may beemployed. t

Heretofore, it has utilize one control to both'f'releas'e the locking'device and vopen -thedoors ofv a'. car or the like. In some cases;movement ofthe open ing means effectedthe release' of the locking means.The' locking of doors has also been obtained moving the'door openinglever` East deadcenter.' All of these' methods have een found-to beexceedingly j rinsatisfactory in that 'they `provideno positive" system'of locking andA indicating theloeked condition, 'the' cont-rol andoperationbfwhich 'was' in" de'pendentl'of the doorjcontrolfa'ndOperating system.` It' was quite' possiblein these sys-v "tem's forpassengers to intentionally or va'c' eidentally 'manipulate' the vsinglevcontrol andI l cause'the door'or doors to open.; Moreover,

in some systems passengers .could 'actually l v forcet'he door openagainst the air -pressure holding itor tripth'e small'latch securing itandthus vgrain entrance after the doors were closed by the operator andwhen the car was ready. to sta-rt'.

It is often the ease that doors'heeomestuckl in he closed position so'that the door opening evice does not'ex'ert sufficient force to open thedoor, but, however, exerts a ,con-

'slant force tending to' open the door. l-Vhen.

the'train is in motion the jar of the ar or the accidental )ar by a'passenger' mayso lfree the. door that it will slide open with attendantdanger to passengers. Y

Leaky valves or pistons, failure irnproper' functioning of valveslderangement of electric control' apparatus' and circuits introducing!unintended ener;5yv lnoken or cordin,r to a predetermined selectiveproloose parts of door control and operating -of this invention toprovide independent means safe-guarding the opening of doors.

irrespective of failures or the improper functioning of the dooroperating mechanisms and devices.

A more complete understanding of the operation of the safety control andlocking s vstem, wherein the door opening and Vclosing'controls areoperated independent! of the locking meansand -wherein Athe in icaiionis automatically given of the locked or uiilo -li'ed condition of thedoors. ma he had by reference to the accompanying` i rawiiigs and fromthe following description of the preferred embodiment ot the invention.In these dmwings:

l `ig. l is a, vie-.v of one form of the device as applied to :i doorand shows schematically thc arrangement and relation of the dooropening,r device, the-locking,r means and the indicating means. i

F ig. 2 is a sectional view of a preferred form of locking mechanism.

Fic'. 3 is a view showing an arrangement of electric switches for theindicating means. F ig. 4 illustrates a wiring diagram of the lockrelease mechanism, the fuards iiidicatin lights and the motormansindicating lig its and F ig.l 5 shows the positions of the indicatorlight switch and circuits.

`vReferring now to Fig. 1, a sliding ca'r door 4 is .shown with itspneuniatically open ated actuating cylinder 5, the operation of whichis' controlled by the electrically oper? ated valve 6. .The iston withinthe c linder 5 operates the oor 4 by means ov the arm 2 and associatedevices. The apparatus enclosed by the dotted line 7 .comprises thelocking and indicating devicepro'per. The arm 8 is adapted to catch andhold the door as shown and a retainingr lever 9 is adapted to beoperated by the solenoid 10. The can block 11, l'iearing switchcontacts, is arranged at one end of the lever 9. The indicatin lights,for example 12 and 13, are controller by' these switch contacts and areadapted to indicate to the guard or other train-man, the lockedorunlocked condition vof the doors, but additional lights and circuits maybe provided for, indications at other places if desired. T he switch 15controis theopening'fa'nd closingr of the door and the switch 14gpreferably a push button, controls the unlocking of the door. VThese twocontrols arei'ilaf'eilfso as to be convenicntly. 'opcratcdsimultancouslyor selectively with one hand-and tfhe indicating lights are ilaccd'so,to be veasily visibleV to the guard. The eucrgryfor the electricalcircuits may be 'supplied from any convenient source.

The operation of the system shown in Fig. 1 is as` follows: l'n order too en the door 4;, which is shown in the close position retained bythelocking arm 8, the guard first operates the lock control switch 14.This.

encrgizes the solenid 10 which iictuates the lever'!) withdrawingitfroin its retaining position bclnnd tlie`arni 8 and at the same timechanging the cani contacts to, indicate When 1 6 automatically forcesthe arm 8 intolmi# tion behind the door 4 and draws the retain-f inglever 9 into place. behind `the locking:r arm"l 8. Should the dooropening control switch be operated without previously operatingA thelock release switch, the door would bc prevented from opening as itcould not push the arin 8 out of its path,pdue to the'inter.

locking action' of the arm 8 .with the retain'- ing lever 9. A seriescircuit 18 includes si' lamp 12, preferably green, vand the contacts 17on the cam 11. If only one Vlock is used, the circuit will be completedthrough ,con` ductors 53 and 54; ordinarily, however,

more than onev door' is to'be locked. and the2 conductors 53 and 54.lead tk the locks on the other doors and includecontacts such' 113,17'on each lock.. When all doors'are closed and `locked all the contactssuch as 17 will be closed by a wiper 55, the series circuit 18 will beoomplete'and the `lamps 12 will'be lighted. It is to be noted that thecircuit 18 is included in each of the door indicating sstenis andrequires 'that al! doors be loc edbeforethe circuit is coinlete. Amultiple circuit 40 includes a amp 13, preferably red, and the contacts19 on the ca m 1l. A similar circuit provided for each lock used and itis preferable for simplicity that all these multiple circuits includethesame red lamp I3. door or doois'be 'open the lamp 13, preferably red,will be lighted duc to its circuit being completed at 1 9.

The locking and switching device is best understood by reference to Fig.2. The metal box or ytraine 7 supports and contains the entire deviceand 'is provi led with lugs or holes 20 for attachment tithe frame orother portion of the car. 'l`li ox structure is divided by a diagonalweb"2l for reinforcement against great strain brought abou'lI by anattempt to open a locked door. arm 8, suitably shaped. is mounted withinthe box 7 on a pivot 22 and extends thri'mgdi an opcniin.f 255 in thcbok into the path of the door which it is desired to lock.

Should any A roller 24 is journaled at the 7end of the arm' `zin'lser.ves.l to 'operating doors. v -,.x'llhel proposed arrangement 'ot'vbrushes and 8 to insure easy operation when this arm is in contact withthe door. In 'a part of this arm 8, is formed a notch 25 which serves toi ,thedoor isA closed. The other end of this spring 16-Y is'conveniently `attached.to the levetl'siid' thus tends to keep'thislever in behind'.the notch'25. on`-tlie'lockf; igi-"rmf The' leiter T19'y continues ,pastits pivptpoint'27 andfcarries on its'v` other ex'-trei'i'iiztyth insulated cai block lfljvthe surface whihis acyIindetth'eaxis of curva`-` -tur''gf which' is at thepivot aLXis 27. ,This

l'ijie insures n constantd'prssiire' of the bruslies28 against theircontacts 3]. onbloek ;,lhegbrushs 28vare inounted'on an insulating?- bl01;'34 and -are provided` with niefixi\s'of"`c ec'tiontooutsidecircuits. The plunger.. 35 pis "pivotally connected to the lever.tLnd'is adaptedto b'e drawn within thefgleiioid 10. when it isenergized. the opration of "the locking .control switchl; (lflilushing36serves asr a. convenient meansL fr-,int'roducing -a'll electric vcircuit. wires.

by :r; schain: or: ,'other'mleanisl'f'tndiifiidtipted.,4 to befinsert'ed.inthe hole, 38 drilled in ,then ambiti; .just outside the containing'box 7. Thtl'nertion ofthis pin rendersfithe moi'e mentpfythe lockimpossible .by any means rrm'neirtly .leek dirimere/fly.

contacts 'fior the indicating device is shown in Figi-'3...' Brushes28,29.2ind 8O `:iicpi'o vided end metal contactsl, 32'and 38 :ire

brushes aremounted on' an insulating', Ablock 84 a'nd :ire providedwit-lr circuit coniicc- :rringind the lever' 9."' "\Vhen the'id'oor isclosed the spr-intr lfocesethearih'; 8 behind the door and` if thtlsolcnidii's riot-cnergzcd: pulls thc lever 9 into position hehind theretin-ning slot t'li'iis locking'thwdoor. To opeii'flhc door thi-.solenoid-l0 is eiieigzcdund ilrnws ilu' plunger 2":7` down' thcicliy fliftingr the end of the l'eit-r Ei from bchiili-li ih-r-uiin 8 sindcniiblin';r th( door.- -ihvnnclnulcd, lo push th(` :ii'ni 'iui of itslilith. 'hrnthe door'js locked. thc ,l1-reif Si is yin.such-.positifin""tlizilf the coinnit 22| will connect the wipers28111111i-mnlilcic :my

us-the indicating circuit 48s'ho'u'n in Fig. ll..

4. ,These n cireii'it-s n re conveniently ltelferreilv to as theired.light brdengeiieirciiit 40," .the l green-lighti'iolr clear circui t"18,..tlie'fjjelloirl lrespectively; The inotormanlslampi may lln'- door..

At the saine time the contact 32 will complete a circuit (which maybecircuit 18ct Fig. 4) through th wipers 29. Vhen the..

door is unlocked, the contacts 31 and 32, nre removed from theirrespective wipers and the. circuits `controlled. thereby are' opened. ASimiiltaneously,, ho'weveit, tlie'co'iitact`33 engages the wipers 30 andcompletes any circuit in which 'they"are`included, its, for example,thel circuit 40 of"} `.ig. 4. f

A door cui' installation of `locking circuit 43 and lthes'olenoideirciii-ts 'L 'For convenience all circuits gireg'groufdecin'dfgire energized by the saine source.; The cont-act ciims 11,which Aare' opei'ated. .hy the lock` rc'l leasing solenoids 10. ni'e-sfliow fin t li.` l ockdv position. '.lt is preferred thati thelixli'ifips 12,l 13 and 45 shalhbe green, red and yellow be of anycolor. The v,niotormzin sj'crc'uit 43 is carried through ithiewholertrnxin b v the jumper terminals 47, mkinghis proceed..

indication dependent. upon tlie'lockiiigpf 'nl lj thedoors of the train`:is willy beliereinnftei' described. Fourlockgcontrol switches 14 arepio 'ided. for each end of the carg' and erich guardi,may` controltwqcienteridobrs as well as twqend doois. lIn order QO--Siriiplifythedrawing,V the' "door opeiiingfsystemhas. been 10 omitted, lbut as'zi.typiealnistgillation :it one door showing b'oth the dooroperii'tibn'gmeans and therdooi 'locking inens has been illus--tinted-in' Fig.. 1 and inasinnchs-the saine reference characters areused throughoutffor, siniihil' parts. it is'felt-thatithc 'operation ofth'ef complete', system .,u'ill hc. clean eventhough the door ripeii=iii; r system is omitted. mounted on the insulating block t1curi-led@ the lever 9, as shown in Figi. 2L ."lhe

Although-the lock mechanism is represented clearlynnderstooduby-reference;to. the preijve-(erin'inil 5h. und. iinrludcsinturngthe ronlacts 25;' .on :(-zu'li o-l`i-tlie` doors. B. und FI" und(hr-'grce'lzimP5312 .and ."Comiilct'cdthizoiigh ilul .switch 52t0 groundsshownfil'if lit-'ing thc1 negativeterininal ,-of, (1w4 Energv source..Assol'iwas fmyaoneOf is unlocked. thc-series .clrcuit 18 is ln'ikcn und1h( cnduf ilwwmvzu. ighivh the dooris unlocked. ln wie the centi-rdmr isi'inlockedtliegrdin. EIL-his lzgo out ut both ends of ttlieicuilas theenergy for the :green lightsat botli ends 7lamps 1.2 -go `out nt the lfil) of theV car includes the two center doorcontacts 32. In order toindicate the unlocked condition of any door, a multiple circuit isprovided, which includes two Ifeeders 57 and 59, the feeder 57 having atap .for each lock except G and E nnd being connected to the groundthrough the red lamps 13, and

the feeder 59 haring a tap `for cach of the locks and including thepositive' terminal of the energy .'-ource'.v A lead 60 is brought to thelocks (i and E from the contact 61 on switch' 52. The function ofswitches 52 will lm explained iii more particularity hereinalici-hut forthc present it is sutlicient to say that in one position the contact (ilis connected to contact 6i'. thereby forming a complete circuitthroiighthe red lamp 13 to thc ground. It will lie sccn that by thisarraugeiiicnt if tlietwo taps 40 at any lock are connected together, thccircuitwill he tomplete-.d through-the red lamps 13. .The contart 33 onthe cani liloclc l1 is provided toA complete -tliis circuit wh'encvcrits door is un locked.

ln order to provide an indication for the motorman of thc lockedcondition of all the doors; :i separate circuit 43, which asses in 'turnthrough all the locks on all tic doors,

is provided: Assuming that A is the head end of the train :ind thcswitch 48 atV that end is thrown so as to close contacts 51, the circuit43 through the i'notormans signal lli will be completed through the lead58, which includes in order the contacts 3l in doors E, D, B, C, F andG. The switch l# at the other end of the car should be thi-own so as toconnect the terminals 49,. which continues the circuit through the.

j uiii per 47. which is adapted to he connected to thc next can which issimilarly arranged. The circuit then passes through all the other' locksin a similar manner and at the rear end of the ti'ain the cir'cuit iscompleted to the positive terminal of the energy source preferablythrough switch 50, which is closed only when the reaisignal lamp ismounted. When all of the doors of the train are closed and locked, thecircuit43 will be completed ii means of the contacts .'51 on the camblocks ll, and the motormans signal light 46 will be lighted. Should an)door become unlocked. the circuit will lie broken andthe light 46v willbe extinguished. The switch 48 is provided to enable the car to be usedin any position in the train and to enable the motorman to operate hisdoor without open-circuitingliis indicating lamp. When the contacts 49of this-switch are connected the car may be used as a rear car or in anintermediate posit-ion asA the lead 5B is disconnected from the signal46 and is connected to the lamp switch 50 and jumper terminals 47.

.. lVhen used as a rear car2 the rear signal lamps 'must be mounted inorder'to-close motormans door willv now,V comp the switch 50 whichcontrols the energy connectiohs for the motormansfsignal circuit. Thusrapositive indication is given to the inotorinan that tlie rear signallamps are mounted.V When caigcurrcnt is ieiceive'cl and the motormanscircuit established through the jumper terminal 4i'. When the switch 48is thrown so as to-eonnect the terminals 51 the lights 46 are in circuitand this end of the car may he used as tliehead end of the train.

The yellow light circuit 42 is providedA so that the iiiotoriiian mayoperate his door without confusing the guard on that-.car by lightingthe redf'light. To this end the switch 52 which. has been previouslyreferred to is provided which has two positions. In the iosritionstX undY)shown in Figure 5 t c contacts' Gl'and 63 are connected to contacts 62and 64 respectively, thereby clos-ing in iosition X the red lightcircuit 40 am "the green light circuit 18Aat the A end 4of lthe car..'-nd disconnecting the yellow light circuit 42. In the `other` positionthe're'cl and greenlight circuits 40 and' .18 through the motormans doorE and the adjacent oor D are open and the yellow light circuit 42is'closedi ln operation the switch 52, which is onthe front end ofthetrain, is-thrown' .so that the yellow light circuit is closed and allother switches 52 are thrown so as to connect the red and green lightcircuits. The unlockin of the ete the yellow light circuit 42 instead othe red light circuit 40 by means of the contact 33- and will ive'ayellow light indication to the guardewho under theseconditions is atthevother end of the car. Should any other door be unlocked, thc redlight'circut 4U will be closed as usual and the guard may have a redlight indication and a yellow light indication. When all doors .arelocked except the motorinans, 'the "guard will have a yellow lightindication and a as an intermediate L' green light indication, which forthe head car will signify the locked condition of` all doors and willenable him to signal to proceed.

From the foregoing it will be understood that this system of door orgate control provides a simple and ellicicnt means of climi conditionsto be met, "the arrangement of meer@ the door locking System and theconstruction of the various parte may be modified accordinglyA Ielaim:

l. In a car door control, a. locking tern for vehicle doors, and incombinatimi with pneumatically operated door operating devices andelectirca-lly controlled door locking devices, means for' .operating thelocking devices independently 0:? the door operating devices, and meansfor indicating the locked and unlocked condition of the doors.

2. In a remotely controlled safety operating and locking system`forpneumatically operated doors on vehicles, door operating means, and anelectric control therefor, independent lock operating means, anindependent control system therefor, and means operated in conjunctionwith said locking means for indicatin the locked and unlocked conditionof tie Coors, said indicating means being located at the motormansstation of the vehicle. f

3. n a remotely controlled safety operatin and locking system for cardoors, the com ination with a plurality of doors and locks therefor, tosecure said doors in closed position, of pneumatically operated meansfor o ening and closing Said doors, electrical y operated means forindependently actuating the locks into position for unlocking the doors,and means iindependentlyY controlled for indicating the relativepositions ofthe doors.

4 n a remotely controlled safety operating and locking system vfor doorsand the like, in combination with a plurality of doors, means foroperating said doors, locks adapted to lock said doors in the closedposition, means for operating and controlling said locks-independently4of the door opening 'means, series electric circuits adapted to beclosed by the locking of all of said locks and opened by the unlockingof one of said locks, multiple electric circuits for each door eachadapted to be opened when its lock is locked and closed when its lock isunlocked, and means included in these electric circuits to indicate thelocked or unlocked condition of the doors.

In testimony whereof I ailix my signature.

CARL S. KLUMPI.

